usr.sbin/ctld/uclparse.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2015 iXsystems Inc.
   5  * All rights reserved.
   6  *
   7  * This software was developed by Jakub Klama <jceel@FreeBSD.org>
   8  * under sponsorship from iXsystems Inc.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  * $FreeBSD$
  32  */
  33
  34 #include <sys/queue.h>
  35 #include <sys/types.h>
  36 #include <assert.h>
  37 #include <stdio.h>
  38 #include <stdint.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <ucl.h>
  42 #include <netinet/in.h>
  43 #include <netinet/ip.h>
  44
  45 #include "ctld.h"
  46
  47 static struct conf *conf = NULL;
  48
  49 static int uclparse_toplevel(const ucl_object_t *);
  50 static int uclparse_chap(struct auth_group *, const ucl_object_t *);
  51 static int uclparse_chap_mutual(struct auth_group *, const ucl_object_t *);
  52 static int uclparse_lun(const char *, const ucl_object_t *);
  53 static int uclparse_auth_group(const char *, const ucl_object_t *);
  54 static int uclparse_portal_group(const char *, const ucl_object_t *);
  55 static int uclparse_target(const char *, const ucl_object_t *);
  56 static int uclparse_target_portal_group(struct target *, const ucl_object_t *);
  57 static int uclparse_target_lun(struct target *, const ucl_object_t *);
  58
  59 static int
  60 uclparse_chap(struct auth_group *auth_group, const ucl_object_t *obj)
  61 {
  62         const struct auth *ca;
  63         const ucl_object_t *user, *secret;
  64
  65         user = ucl_object_find_key(obj, "user");
  66         if (!user || user->type != UCL_STRING) {
  67                 log_warnx("chap section in auth-group \"%s\" is missing "
  68                     "\"user\" string key", auth_group->ag_name);
  69                 return (1);
  70         }
  71
  72         secret = ucl_object_find_key(obj, "secret");
  73         if (!secret || secret->type != UCL_STRING) {
  74                 log_warnx("chap section in auth-group \"%s\" is missing "
  75                     "\"secret\" string key", auth_group->ag_name);
  76         }
  77
  78         ca = auth_new_chap(auth_group,
  79             ucl_object_tostring(user),
  80             ucl_object_tostring(secret));
  81
  82         if (ca == NULL)
  83                 return (1);
  84
  85         return (0);
  86 }
  87
  88 static int
  89 uclparse_chap_mutual(struct auth_group *auth_group, const ucl_object_t *obj)
  90 {
  91         const struct auth *ca;
  92         const ucl_object_t *user, *secret, *mutual_user;
  93         const ucl_object_t *mutual_secret;
  94
  95         user = ucl_object_find_key(obj, "user");
  96         if (!user || user->type != UCL_STRING) {
  97                 log_warnx("chap-mutual section in auth-group \"%s\" is missing "
  98                     "\"user\" string key", auth_group->ag_name);
  99                 return (1);
 100         }
 101
 102         secret = ucl_object_find_key(obj, "secret");
 103         if (!secret || secret->type != UCL_STRING) {
 104                 log_warnx("chap-mutual section in auth-group \"%s\" is missing "
 105                     "\"secret\" string key", auth_group->ag_name);
 106                 return (1);
 107         }
 108
 109         mutual_user = ucl_object_find_key(obj, "mutual-user");
 110         if (!user || user->type != UCL_STRING) {
 111                 log_warnx("chap-mutual section in auth-group \"%s\" is missing "
 112                     "\"mutual-user\" string key", auth_group->ag_name);
 113                 return (1);
 114         }
 115
 116         mutual_secret = ucl_object_find_key(obj, "mutual-secret");
 117         if (!secret || secret->type != UCL_STRING) {
 118                 log_warnx("chap-mutual section in auth-group \"%s\" is missing "
 119                     "\"mutual-secret\" string key", auth_group->ag_name);
 120                 return (1);
 121         }
 122
 123         ca = auth_new_chap_mutual(auth_group,
 124             ucl_object_tostring(user),
 125             ucl_object_tostring(secret),
 126             ucl_object_tostring(mutual_user),
 127             ucl_object_tostring(mutual_secret));
 128
 129         if (ca == NULL)
 130                 return (1);
 131
 132         return (0);
 133 }
 134
 135 static int
 136 uclparse_target_portal_group(struct target *target, const ucl_object_t *obj)
 137 {
 138         struct portal_group *tpg;
 139         struct auth_group *tag = NULL;
 140         struct port *tp;
 141         const ucl_object_t *portal_group, *auth_group;
 142
 143         portal_group = ucl_object_find_key(obj, "name");
 144         if (!portal_group || portal_group->type != UCL_STRING) {
 145                 log_warnx("portal-group section in target \"%s\" is missing "
 146                     "\"name\" string key", target->t_name);
 147                 return (1);
 148         }
 149
 150         auth_group = ucl_object_find_key(obj, "auth-group-name");
 151         if (auth_group && auth_group->type != UCL_STRING) {
 152                 log_warnx("portal-group section in target \"%s\" is missing "
 153                     "\"auth-group-name\" string key", target->t_name);
 154                 return (1);
 155         }
 156
 157
 158         tpg = portal_group_find(conf, ucl_object_tostring(portal_group));
 159         if (tpg == NULL) {
 160                 log_warnx("unknown portal-group \"%s\" for target "
 161                     "\"%s\"", ucl_object_tostring(portal_group), target->t_name);
 162                 return (1);
 163         }
 164
 165         if (auth_group) {
 166                 tag = auth_group_find(conf, ucl_object_tostring(auth_group));
 167                 if (tag == NULL) {
 168                         log_warnx("unknown auth-group \"%s\" for target "
 169                             "\"%s\"", ucl_object_tostring(auth_group),
 170                             target->t_name);
 171                         return (1);
 172                 }
 173         }
 174
 175         tp = port_new(conf, target, tpg);
 176         if (tp == NULL) {
 177                 log_warnx("can't link portal-group \"%s\" to target "
 178                     "\"%s\"", ucl_object_tostring(portal_group), target->t_name);
 179                 return (1);
 180         }
 181         tp->p_auth_group = tag;
 182
 183         return (0);
 184 }
 185
 186 static int
 187 uclparse_target_lun(struct target *target, const ucl_object_t *obj)
 188 {
 189         struct lun *lun;
 190         uint64_t tmp;
 191
 192         if (obj->type == UCL_INT) {
 193                 char *name;
 194
 195                 tmp = ucl_object_toint(obj);
 196                 if (tmp >= MAX_LUNS) {
 197                         log_warnx("LU number %ju in target \"%s\" is too big",
 198                             tmp, target->t_name);
 199                         return (1);
 200                 }
 201
 202                 asprintf(&name, "%s,lun,%ju", target->t_name, tmp);
 203                 lun = lun_new(conf, name);
 204                 if (lun == NULL)
 205                         return (1);
 206
 207                 lun_set_scsiname(lun, name);
 208                 target->t_luns[tmp] = lun;
 209                 return (0);
 210         }
 211
 212         if (obj->type == UCL_OBJECT) {
 213                 const ucl_object_t *num = ucl_object_find_key(obj, "number");
 214                 const ucl_object_t *name = ucl_object_find_key(obj, "name");
 215
 216                 if (num == NULL || num->type != UCL_INT) {
 217                         log_warnx("lun section in target \"%s\" is missing "
 218                             "\"number\" integer property", target->t_name);
 219                         return (1);
 220                 }
 221                 tmp = ucl_object_toint(num);
 222                 if (tmp >= MAX_LUNS) {
 223                         log_warnx("LU number %ju in target \"%s\" is too big",
 224                             tmp, target->t_name);
 225                         return (1);
 226                 }
 227
 228                 if (name == NULL || name->type != UCL_STRING) {
 229                         log_warnx("lun section in target \"%s\" is missing "
 230                             "\"name\" string property", target->t_name);
 231                         return (1);
 232                 }
 233
 234                 lun = lun_find(conf, ucl_object_tostring(name));
 235                 if (lun == NULL)
 236                         return (1);
 237
 238                 target->t_luns[tmp] = lun;
 239         }
 240
 241         return (0);
 242 }
 243
 244 static int
 245 uclparse_toplevel(const ucl_object_t *top)
 246 {
 247         ucl_object_iter_t it = NULL, iter = NULL;
 248         const ucl_object_t *obj = NULL, *child = NULL;
 249         int err = 0;
 250
 251         /* Pass 1 - everything except targets */
 252         while ((obj = ucl_iterate_object(top, &it, true))) {
 253                 const char *key = ucl_object_key(obj);
 254
 255                 if (!strcmp(key, "debug")) {
 256                         if (obj->type == UCL_INT)
 257                                 conf->conf_debug = ucl_object_toint(obj);
 258                         else {
 259                                 log_warnx("\"debug\" property value is not integer");
 260                                 return (1);
 261                         }
 262                 }
 263
 264                 if (!strcmp(key, "timeout")) {
 265                         if (obj->type == UCL_INT)
 266                                 conf->conf_timeout = ucl_object_toint(obj);
 267                         else {
 268                                 log_warnx("\"timeout\" property value is not integer");
 269                                 return (1);
 270                         }
 271                 }
 272
 273                 if (!strcmp(key, "maxproc")) {
 274                         if (obj->type == UCL_INT)
 275                                 conf->conf_maxproc = ucl_object_toint(obj);
 276                         else {
 277                                 log_warnx("\"maxproc\" property value is not integer");
 278                                 return (1);
 279                         }
 280                 }
 281
 282                 if (!strcmp(key, "pidfile")) {
 283                         if (obj->type == UCL_STRING)
 284                                 conf->conf_pidfile_path = strdup(
 285                                     ucl_object_tostring(obj));
 286                         else {
 287                                 log_warnx("\"pidfile\" property value is not string");
 288                                 return (1);
 289                         }
 290                 }
 291
 292                 if (!strcmp(key, "isns-server")) {
 293                         if (obj->type == UCL_ARRAY) {
 294                                 iter = NULL;
 295                                 while ((child = ucl_iterate_object(obj, &iter,
 296                                     true))) {
 297                                         if (child->type != UCL_STRING)
 298                                                 return (1);
 299
 300                                         err = isns_new(conf,
 301                                             ucl_object_tostring(child));
 302                                         if (err != 0) {
 303                                                 return (1);
 304                                         }
 305                                 }
 306                         } else {
 307                                 log_warnx("\"isns-server\" property value is "
 308                                     "not an array");
 309                                 return (1);
 310                         }
 311                 }
 312
 313                 if (!strcmp(key, "isns-period")) {
 314                         if (obj->type == UCL_INT)
 315                                 conf->conf_timeout = ucl_object_toint(obj);
 316                         else {
 317                                 log_warnx("\"isns-period\" property value is not integer");
 318                                 return (1);
 319                         }
 320                 }
 321
 322                 if (!strcmp(key, "isns-timeout")) {
 323                         if (obj->type == UCL_INT)
 324                                 conf->conf_timeout = ucl_object_toint(obj);
 325                         else {
 326                                 log_warnx("\"isns-timeout\" property value is not integer");
 327                                 return (1);
 328                         }
 329                 }
 330
 331                 if (!strcmp(key, "auth-group")) {
 332                         if (obj->type == UCL_OBJECT) {
 333                                 iter = NULL;
 334                                 while ((child = ucl_iterate_object(obj, &iter, true))) {
 335                                         uclparse_auth_group(ucl_object_key(child), child);
 336                                 }
 337                         } else {
 338                                 log_warnx("\"auth-group\" section is not an object");
 339                                 return (1);
 340                         }
 341                 }
 342
 343                 if (!strcmp(key, "portal-group")) {
 344                         if (obj->type == UCL_OBJECT) {
 345                                 iter = NULL;
 346                                 while ((child = ucl_iterate_object(obj, &iter, true))) {
 347                                         uclparse_portal_group(ucl_object_key(child), child);
 348                                 }
 349                         } else {
 350                                 log_warnx("\"portal-group\" section is not an object");
 351                                 return (1);
 352                         }
 353                 }
 354
 355                 if (!strcmp(key, "lun")) {
 356                         if (obj->type == UCL_OBJECT) {
 357                                 iter = NULL;
 358                                 while ((child = ucl_iterate_object(obj, &iter, true))) {
 359                                         uclparse_lun(ucl_object_key(child), child);
 360                                 }
 361                         } else {
 362                                 log_warnx("\"lun\" section is not an object");
 363                                 return (1);
 364                         }
 365                 }
 366         }
 367
 368         /* Pass 2 - targets */
 369         it = NULL;
 370         while ((obj = ucl_iterate_object(top, &it, true))) {
 371                 const char *key = ucl_object_key(obj);
 372
 373                 if (!strcmp(key, "target")) {
 374                         if (obj->type == UCL_OBJECT) {
 375                                 iter = NULL;
 376                                 while ((child = ucl_iterate_object(obj, &iter,
 377                                     true))) {
 378                                         uclparse_target(ucl_object_key(child),
 379                                             child);
 380                                 }
 381                         } else {
 382                                 log_warnx("\"target\" section is not an object");
 383                                 return (1);
 384                         }
 385                 }
 386         }
 387
 388         return (0);
 389 }
 390
 391 static int
 392 uclparse_auth_group(const char *name, const ucl_object_t *top)
 393 {
 394         struct auth_group *auth_group;
 395         const struct auth_name *an;
 396         const struct auth_portal *ap;
 397         ucl_object_iter_t it = NULL, it2 = NULL;
 398         const ucl_object_t *obj = NULL, *tmp = NULL;
 399         const char *key;
 400         int err;
 401
 402         if (!strcmp(name, "default") &&
 403             conf->conf_default_ag_defined == false) {
 404                 auth_group = auth_group_find(conf, name);
 405                 conf->conf_default_ag_defined = true;
 406         } else {
 407                 auth_group = auth_group_new(conf, name);
 408         }
 409
 410         if (auth_group == NULL)
 411                 return (1);
 412
 413         while ((obj = ucl_iterate_object(top, &it, true))) {
 414                 key = ucl_object_key(obj);
 415
 416                 if (!strcmp(key, "auth-type")) {
 417                         const char *value = ucl_object_tostring(obj);
 418
 419                         err = auth_group_set_type(auth_group, value);
 420                         if (err)
 421                                 return (1);
 422                 }
 423
 424                 if (!strcmp(key, "chap")) {
 425                         if (obj->type != UCL_ARRAY) {
 426                                 log_warnx("\"chap\" property of "
 427                                     "auth-group \"%s\" is not an array",
 428                                     name);
 429                                 return (1);
 430                         }
 431
 432                         it2 = NULL;
 433                         while ((tmp = ucl_iterate_object(obj, &it2, true))) {
 434                                 if (uclparse_chap(auth_group, tmp) != 0)
 435                                         return (1);
 436                         }
 437                 }
 438
 439                 if (!strcmp(key, "chap-mutual")) {
 440                         if (obj->type != UCL_ARRAY) {
 441                                 log_warnx("\"chap-mutual\" property of "
 442                                     "auth-group \"%s\" is not an array",
 443                                     name);
 444                                 return (1);
 445                         }
 446
 447                         it2 = NULL;
 448                         while ((tmp = ucl_iterate_object(obj, &it2, true))) {
 449                                 if (uclparse_chap_mutual(auth_group, tmp) != 0)
 450                                         return (1);
 451                         }
 452                 }
 453
 454                 if (!strcmp(key, "initiator-name")) {
 455                         if (obj->type != UCL_ARRAY) {
 456                                 log_warnx("\"initiator-name\" property of "
 457                                     "auth-group \"%s\" is not an array",
 458                                     name);
 459                                 return (1);
 460                         }
 461
 462                         it2 = NULL;
 463                         while ((tmp = ucl_iterate_object(obj, &it2, true))) {
 464                                 const char *value = ucl_object_tostring(tmp);
 465
 466                                 an = auth_name_new(auth_group, value);
 467                                 if (an == NULL)
 468                                         return (1);
 469                         }
 470                 }
 471
 472                 if (!strcmp(key, "initiator-portal")) {
 473                         if (obj->type != UCL_ARRAY) {
 474                                 log_warnx("\"initiator-portal\" property of "
 475                                     "auth-group \"%s\" is not an array",
 476                                     name);
 477                                 return (1);
 478                         }
 479
 480                         it2 = NULL;
 481                         while ((tmp = ucl_iterate_object(obj, &it2, true))) {
 482                                 const char *value = ucl_object_tostring(tmp);
 483
 484                                 ap = auth_portal_new(auth_group, value);
 485                                 if (ap == NULL)
 486                                         return (1);
 487                         }
 488                 }
 489         }
 490
 491         return (0);
 492 }
 493
 494 static int
 495 uclparse_portal_group(const char *name, const ucl_object_t *top)
 496 {
 497         struct portal_group *portal_group;
 498         ucl_object_iter_t it = NULL, it2 = NULL;
 499         const ucl_object_t *obj = NULL, *tmp = NULL;
 500         const char *key;
 501
 502         if (strcmp(name, "default") == 0 &&
 503             conf->conf_default_pg_defined == false) {
 504                 portal_group = portal_group_find(conf, name);
 505                 conf->conf_default_pg_defined = true;
 506         } else {
 507                 portal_group = portal_group_new(conf, name);
 508         }
 509
 510         if (portal_group == NULL)
 511                 return (1);
 512
 513         while ((obj = ucl_iterate_object(top, &it, true))) {
 514                 key = ucl_object_key(obj);
 515
 516                 if (!strcmp(key, "discovery-auth-group")) {
 517                         portal_group->pg_discovery_auth_group =
 518                             auth_group_find(conf, ucl_object_tostring(obj));
 519                         if (portal_group->pg_discovery_auth_group == NULL) {
 520                                 log_warnx("unknown discovery-auth-group \"%s\" "
 521                                     "for portal-group \"%s\"",
 522                                     ucl_object_tostring(obj),
 523                                     portal_group->pg_name);
 524                                 return (1);
 525                         }
 526                 }
 527
 528                 if (!strcmp(key, "discovery-filter")) {
 529                         if (obj->type != UCL_STRING) {
 530                                 log_warnx("\"discovery-filter\" property of "
 531                                     "portal-group \"%s\" is not a string",
 532                                     portal_group->pg_name);
 533                                 return (1);
 534                         }
 535
 536                         if (portal_group_set_filter(portal_group,
 537                             ucl_object_tostring(obj)) != 0)
 538                                 return (1);
 539                 }
 540
 541                 if (!strcmp(key, "listen")) {
 542                         if (obj->type == UCL_STRING) {
 543                                 if (portal_group_add_listen(portal_group,
 544                                     ucl_object_tostring(obj), false) != 0)
 545                                         return (1);
 546                         } else if (obj->type == UCL_ARRAY) {
 547                                 while ((tmp = ucl_iterate_object(obj, &it2,
 548                                     true))) {
 549                                         if (portal_group_add_listen(
 550                                             portal_group,
 551                                             ucl_object_tostring(tmp),
 552                                             false) != 0)
 553                                                 return (1);
 554                                 }
 555                         } else {
 556                                 log_warnx("\"listen\" property of "
 557                                     "portal-group \"%s\" is not a string",
 558                                     portal_group->pg_name);
 559                                 return (1);
 560                         }
 561                 }
 562
 563                 if (!strcmp(key, "listen-iser")) {
 564                         if (obj->type == UCL_STRING) {
 565                                 if (portal_group_add_listen(portal_group,
 566                                     ucl_object_tostring(obj), true) != 0)
 567                                         return (1);
 568                         } else if (obj->type == UCL_ARRAY) {
 569                                 while ((tmp = ucl_iterate_object(obj, &it2,
 570                                     true))) {
 571                                         if (portal_group_add_listen(
 572                                             portal_group,
 573                                             ucl_object_tostring(tmp),
 574                                             true) != 0)
 575                                                 return (1);
 576                                 }
 577                         } else {
 578                                 log_warnx("\"listen\" property of "
 579                                     "portal-group \"%s\" is not a string",
 580                                     portal_group->pg_name);
 581                                 return (1);
 582                         }
 583                 }
 584
 585                 if (!strcmp(key, "redirect")) {
 586                         if (obj->type != UCL_STRING) {
 587                                 log_warnx("\"listen\" property of "
 588                                     "portal-group \"%s\" is not a string",
 589                                     portal_group->pg_name);
 590                                 return (1);
 591                         }
 592
 593                         if (portal_group_set_redirection(portal_group,
 594                             ucl_object_tostring(obj)) != 0)
 595                                 return (1);
 596                 }
 597
 598                 if (!strcmp(key, "options")) {
 599                         if (obj->type != UCL_OBJECT) {
 600                                 log_warnx("\"options\" property of portal group "
 601                                     "\"%s\" is not an object", portal_group->pg_name);
 602                                 return (1);
 603                         }
 604
 605                         while ((tmp = ucl_iterate_object(obj, &it2,
 606                             true))) {
 607                                 option_new(&portal_group->pg_options,
 608                                     ucl_object_key(tmp),
 609                                     ucl_object_tostring_forced(tmp));
 610                         }
 611                 }
 612
 613                 if (!strcmp(key, "dscp")) {
 614                         if ((obj->type != UCL_STRING) && (obj->type != UCL_INT)) {
 615                                 log_warnx("\"dscp\" property of portal group "
 616                                     "\"%s\" is not a string or integer", portal_group->pg_name);
 617                                 return(1);
 618                         }
 619                         if (obj->type == UCL_INT)
 620                                 portal_group->pg_dscp = ucl_object_toint(obj);
 621                         else {
 622                                 key = ucl_object_tostring(obj);
 623                                 if (strcmp(key, "0x") == 0)
 624                                         portal_group->pg_dscp = strtol(key + 2, NULL, 16);
 625                                 else if (strcmp(key, "be") || strcmp(key, "cs0"))
 626                                         portal_group->pg_dscp = IPTOS_DSCP_CS0 >> 2;
 627                                 else if (strcmp(key, "ef"))
 628                                         portal_group->pg_dscp = IPTOS_DSCP_EF >> 2;
 629                                 else if (strcmp(key, "cs0"))
 630                                         portal_group->pg_dscp = IPTOS_DSCP_CS0 >> 2;
 631                                 else if (strcmp(key, "cs1"))
 632                                         portal_group->pg_dscp = IPTOS_DSCP_CS1 >> 2;
 633                                 else if (strcmp(key, "cs2"))
 634                                         portal_group->pg_dscp = IPTOS_DSCP_CS2 >> 2;
 635                                 else if (strcmp(key, "cs3"))
 636                                         portal_group->pg_dscp = IPTOS_DSCP_CS3 >> 2;
 637                                 else if (strcmp(key, "cs4"))
 638                                         portal_group->pg_dscp = IPTOS_DSCP_CS4 >> 2;
 639                                 else if (strcmp(key, "cs5"))
 640                                         portal_group->pg_dscp = IPTOS_DSCP_CS5 >> 2;
 641                                 else if (strcmp(key, "cs6"))
 642                                         portal_group->pg_dscp = IPTOS_DSCP_CS6 >> 2;
 643                                 else if (strcmp(key, "cs7"))
 644                                         portal_group->pg_dscp = IPTOS_DSCP_CS7 >> 2;
 645                                 else if (strcmp(key, "af11"))
 646                                         portal_group->pg_dscp = IPTOS_DSCP_AF11 >> 2;
 647                                 else if (strcmp(key, "af12"))
 648                                         portal_group->pg_dscp = IPTOS_DSCP_AF12 >> 2;
 649                                 else if (strcmp(key, "af13"))
 650                                         portal_group->pg_dscp = IPTOS_DSCP_AF13 >> 2;
 651                                 else if (strcmp(key, "af21"))
 652                                         portal_group->pg_dscp = IPTOS_DSCP_AF21 >> 2;
 653                                 else if (strcmp(key, "af22"))
 654                                         portal_group->pg_dscp = IPTOS_DSCP_AF22 >> 2;
 655                                 else if (strcmp(key, "af23"))
 656                                         portal_group->pg_dscp = IPTOS_DSCP_AF23 >> 2;
 657                                 else if (strcmp(key, "af31"))
 658                                         portal_group->pg_dscp = IPTOS_DSCP_AF31 >> 2;
 659                                 else if (strcmp(key, "af32"))
 660                                         portal_group->pg_dscp = IPTOS_DSCP_AF32 >> 2;
 661                                 else if (strcmp(key, "af33"))
 662                                         portal_group->pg_dscp = IPTOS_DSCP_AF33 >> 2;
 663                                 else if (strcmp(key, "af41"))
 664                                         portal_group->pg_dscp = IPTOS_DSCP_AF41 >> 2;
 665                                 else if (strcmp(key, "af42"))
 666                                         portal_group->pg_dscp = IPTOS_DSCP_AF42 >> 2;
 667                                 else if (strcmp(key, "af43"))
 668                                         portal_group->pg_dscp = IPTOS_DSCP_AF43 >> 2;
 669                                 else {
 670                                         log_warnx("\"dscp\" property value is not a supported textual value");
 671                                         return (1);
 672                                 }
 673                         }
 674                 }
 675
 676                 if (!strcmp(key, "pcp")) {
 677                         if (obj->type != UCL_INT) {
 678                                 log_warnx("\"pcp\" property of portal group "
 679                                     "\"%s\" is not an integer", portal_group->pg_name);
 680                                 return(1);
 681                         }
 682                         portal_group->pg_pcp = ucl_object_toint(obj);
 683                         if (!((portal_group->pg_pcp >= 0) && (portal_group->pg_pcp <= 7))) {
 684                                 log_warnx("invalid \"pcp\" value %d, using default", portal_group->pg_pcp);
 685                                 portal_group->pg_pcp = -1;
 686                         }
 687                 }
 688         }
 689
 690         return (0);
 691 }
 692
 693 static int
 694 uclparse_target(const char *name, const ucl_object_t *top)
 695 {
 696         struct target *target;
 697         ucl_object_iter_t it = NULL, it2 = NULL;
 698         const ucl_object_t *obj = NULL, *tmp = NULL;
 699         const char *key;
 700
 701         target = target_new(conf, name);
 702         if (target == NULL)
 703                 return (1);
 704
 705         while ((obj = ucl_iterate_object(top, &it, true))) {
 706                 key = ucl_object_key(obj);
 707
 708                 if (!strcmp(key, "alias")) {
 709                         if (obj->type != UCL_STRING) {
 710                                 log_warnx("\"alias\" property of target "
 711                                     "\"%s\" is not a string", target->t_name);
 712                                 return (1);
 713                         }
 714
 715                         target->t_alias = strdup(ucl_object_tostring(obj));
 716                 }
 717
 718                 if (!strcmp(key, "auth-group")) {
 719                         if (target->t_auth_group != NULL) {
 720                                 if (target->t_auth_group->ag_name != NULL)
 721                                         log_warnx("auth-group for target \"%s\" "
 722                                             "specified more than once",
 723                                             target->t_name);
 724                                 else
 725                                         log_warnx("cannot use both auth-group "
 726                                             "and explicit authorisations for "
 727                                             "target \"%s\"", target->t_name);
 728                                 return (1);
 729                         }
 730                         target->t_auth_group = auth_group_find(conf,
 731                             ucl_object_tostring(obj));
 732                         if (target->t_auth_group == NULL) {
 733                                 log_warnx("unknown auth-group \"%s\" for target "
 734                                     "\"%s\"", ucl_object_tostring(obj),
 735                                     target->t_name);
 736                                 return (1);
 737                         }
 738                 }
 739
 740                 if (!strcmp(key, "auth-type")) {
 741                         int error;
 742
 743                         if (target->t_auth_group != NULL) {
 744                                 if (target->t_auth_group->ag_name != NULL) {
 745                                         log_warnx("cannot use both auth-group and "
 746                                             "auth-type for target \"%s\"",
 747                                             target->t_name);
 748                                         return (1);
 749                                 }
 750                         } else {
 751                                 target->t_auth_group = auth_group_new(conf, NULL);
 752                                 if (target->t_auth_group == NULL)
 753                                         return (1);
 754
 755                                 target->t_auth_group->ag_target = target;
 756                         }
 757                         error = auth_group_set_type(target->t_auth_group,
 758                             ucl_object_tostring(obj));
 759                         if (error != 0)
 760                                 return (1);
 761                 }
 762
 763                 if (!strcmp(key, "chap")) {
 764                         if (uclparse_chap(target->t_auth_group, obj) != 0)
 765                                 return (1);
 766                 }
 767
 768                 if (!strcmp(key, "chap-mutual")) {
 769                         if (uclparse_chap_mutual(target->t_auth_group, obj) != 0)
 770                                 return (1);
 771                 }
 772
 773                 if (!strcmp(key, "initiator-name")) {
 774                         const struct auth_name *an;
 775
 776                         if (target->t_auth_group != NULL) {
 777                                 if (target->t_auth_group->ag_name != NULL) {
 778                                         log_warnx("cannot use both auth-group and "
 779                                             "initiator-name for target \"%s\"",
 780                                             target->t_name);
 781                                         return (1);
 782                                 }
 783                         } else {
 784                                 target->t_auth_group = auth_group_new(conf, NULL);
 785                                 if (target->t_auth_group == NULL)
 786                                         return (1);
 787
 788                                 target->t_auth_group->ag_target = target;
 789                         }
 790                         an = auth_name_new(target->t_auth_group,
 791                             ucl_object_tostring(obj));
 792                         if (an == NULL)
 793                                 return (1);
 794                 }
 795
 796                 if (!strcmp(key, "initiator-portal")) {
 797                         const struct auth_portal *ap;
 798
 799                         if (target->t_auth_group != NULL) {
 800                                 if (target->t_auth_group->ag_name != NULL) {
 801                                         log_warnx("cannot use both auth-group and "
 802                                             "initiator-portal for target \"%s\"",
 803                                             target->t_name);
 804                                         return (1);
 805                                 }
 806                         } else {
 807                                 target->t_auth_group = auth_group_new(conf, NULL);
 808                                 if (target->t_auth_group == NULL)
 809                                         return (1);
 810
 811                                 target->t_auth_group->ag_target = target;
 812                         }
 813                         ap = auth_portal_new(target->t_auth_group,
 814                             ucl_object_tostring(obj));
 815                         if (ap == NULL)
 816                                 return (1);
 817                 }
 818
 819                 if (!strcmp(key, "portal-group")) {
 820                         if (obj->type == UCL_OBJECT) {
 821                                 if (uclparse_target_portal_group(target, obj) != 0)
 822                                         return (1);
 823                         }
 824
 825                         if (obj->type == UCL_ARRAY) {
 826                                 while ((tmp = ucl_iterate_object(obj, &it2,
 827                                     true))) {
 828                                         if (uclparse_target_portal_group(target,
 829                                             tmp) != 0)
 830                                                 return (1);
 831                                 }
 832                         }
 833                 }
 834
 835                 if (!strcmp(key, "port")) {
 836                         struct pport *pp;
 837                         struct port *tp;
 838                         const char *value = ucl_object_tostring(obj);
 839                         int ret, i_pp, i_vp = 0;
 840
 841                         ret = sscanf(value, "ioctl/%d/%d", &i_pp, &i_vp);
 842                         if (ret > 0) {
 843                                 tp = port_new_ioctl(conf, target, i_pp, i_vp);
 844                                 if (tp == NULL) {
 845                                         log_warnx("can't create new ioctl port "
 846                                             "for target \"%s\"", target->t_name);
 847                                         return (1);
 848                                 }
 849
 850                                 return (0);
 851                         }
 852
 853                         pp = pport_find(conf, value);
 854                         if (pp == NULL) {
 855                                 log_warnx("unknown port \"%s\" for target \"%s\"",
 856                                     value, target->t_name);
 857                                 return (1);
 858                         }
 859                         if (!TAILQ_EMPTY(&pp->pp_ports)) {
 860                                 log_warnx("can't link port \"%s\" to target \"%s\", "
 861                                     "port already linked to some target",
 862                                     value, target->t_name);
 863                                 return (1);
 864                         }
 865                         tp = port_new_pp(conf, target, pp);
 866                         if (tp == NULL) {
 867                                 log_warnx("can't link port \"%s\" to target \"%s\"",
 868                                     value, target->t_name);
 869                                 return (1);
 870                         }
 871                 }
 872
 873                 if (!strcmp(key, "redirect")) {
 874                         if (obj->type != UCL_STRING) {
 875                                 log_warnx("\"redirect\" property of target "
 876                                     "\"%s\" is not a string", target->t_name);
 877                                 return (1);
 878                         }
 879
 880                         if (target_set_redirection(target,
 881                             ucl_object_tostring(obj)) != 0)
 882                                 return (1);
 883                 }
 884
 885                 if (!strcmp(key, "lun")) {
 886                         while ((tmp = ucl_iterate_object(obj, &it2, true))) {
 887                                 if (uclparse_target_lun(target, tmp) != 0)
 888                                         return (1);
 889                         }
 890                 }
 891         }
 892
 893         return (0);
 894 }
 895
 896 static int
 897 uclparse_lun(const char *name, const ucl_object_t *top)
 898 {
 899         struct lun *lun;
 900         ucl_object_iter_t it = NULL, child_it = NULL;
 901         const ucl_object_t *obj = NULL, *child = NULL;
 902         const char *key;
 903
 904         lun = lun_new(conf, name);
 905         if (lun == NULL)
 906                 return (1);
 907
 908         while ((obj = ucl_iterate_object(top, &it, true))) {
 909                 key = ucl_object_key(obj);
 910
 911                 if (!strcmp(key, "backend")) {
 912                         if (obj->type != UCL_STRING) {
 913                                 log_warnx("\"backend\" property of lun "
 914                                     "\"%s\" is not a string",
 915                                     lun->l_name);
 916                                 return (1);
 917                         }
 918
 919                         lun_set_backend(lun, ucl_object_tostring(obj));
 920                 }
 921
 922                 if (!strcmp(key, "blocksize")) {
 923                         if (obj->type != UCL_INT) {
 924                                 log_warnx("\"blocksize\" property of lun "
 925                                     "\"%s\" is not an integer", lun->l_name);
 926                                 return (1);
 927                         }
 928
 929                         lun_set_blocksize(lun, ucl_object_toint(obj));
 930                 }
 931
 932                 if (!strcmp(key, "device-id")) {
 933                         if (obj->type != UCL_STRING) {
 934                                 log_warnx("\"device-id\" property of lun "
 935                                     "\"%s\" is not an integer", lun->l_name);
 936                                 return (1);
 937                         }
 938
 939                         lun_set_device_id(lun, ucl_object_tostring(obj));
 940                 }
 941
 942                 if (!strcmp(key, "options")) {
 943                         if (obj->type != UCL_OBJECT) {
 944                                 log_warnx("\"options\" property of lun "
 945                                     "\"%s\" is not an object", lun->l_name);
 946                                 return (1);
 947                         }
 948
 949                         while ((child = ucl_iterate_object(obj, &child_it,
 950                             true))) {
 951                                 option_new(&lun->l_options,
 952                                     ucl_object_key(child),
 953                                     ucl_object_tostring_forced(child));
 954                         }
 955                 }
 956
 957                 if (!strcmp(key, "path")) {
 958                         if (obj->type != UCL_STRING) {
 959                                 log_warnx("\"path\" property of lun "
 960                                     "\"%s\" is not a string", lun->l_name);
 961                                 return (1);
 962                         }
 963
 964                         lun_set_path(lun, ucl_object_tostring(obj));
 965                 }
 966
 967                 if (!strcmp(key, "serial")) {
 968                         if (obj->type != UCL_STRING) {
 969                                 log_warnx("\"serial\" property of lun "
 970                                     "\"%s\" is not a string", lun->l_name);
 971                                 return (1);
 972                         }
 973
 974                         lun_set_serial(lun, ucl_object_tostring(obj));
 975                 }
 976
 977                 if (!strcmp(key, "size")) {
 978                         if (obj->type != UCL_INT) {
 979                                 log_warnx("\"size\" property of lun "
 980                                     "\"%s\" is not an integer", lun->l_name);
 981                                 return (1);
 982                         }
 983
 984                         lun_set_size(lun, ucl_object_toint(obj));
 985                 }
 986         }
 987
 988         return (0);
 989 }
 990
 991 int
 992 uclparse_conf(struct conf *newconf, const char *path)
 993 {
 994         struct ucl_parser *parser;
 995         ucl_object_t *top;
 996         int error;
 997
 998         conf = newconf;
 999         parser = ucl_parser_new(0);
1000
1001         if (!ucl_parser_add_file(parser, path)) {
1002                 log_warn("unable to parse configuration file %s: %s", path,
1003                     ucl_parser_get_error(parser));
1004                 ucl_parser_free(parser);
1005                 return (1);
1006         }
1007
1008         top = ucl_parser_get_object(parser);
1009         error = uclparse_toplevel(top);
1010         ucl_object_unref(top);
1011         ucl_parser_free(parser);
1012
1013         return (error);
1014 }